U / undo
verb transitive intransitive

undo

2nd PP undāre · 3rd PP undāvi · 4th PP undātum · conj. 1st
[unda].
[unda].
to rise in waves; surges; to throw up waves poetic
Neutr., to rise in waves or surges, to throw up waves, to surge, swell (poet. and in postAug. prose).
undantem salum, Enn. ap. Non. 223, 24 (Trag. v. 226 Vahl.); cf.: undanti in… literal
Lit.: undantem salum, Enn. ap. Non. 223, 24 (Trag. v. 226 Vahl.); cf.: undanti in freto, Att. ap. Cic. N. D. 2, 35, 89: solet aestus aequinoctialis ... undare, Sen. Q. N. 3, 28, 6: ad caelum undabat vortex, Verg. A. 12, 673: aëna undantia flammis, id. ib. 6, 218.—
by extension
To overflow with; be full of; abound in
To overflow with, be full of, abound in any thing, = abundare: regio Undat equis floretque viris, Val. Fl. 1, 539: vultus sanguine, Stat. Th. 1, 449: silva favis, Claud. Rapt. Pros. 3, 25: ima (aedium) viris, id. VI. Cons. Hon. 545.—
To wave; undulate
To wave, undulate: vidimus undantem ruptis fornacibus Aetnam, Verg. G. 1, 472: undantes flammae, Sil. 9, 446: undante fumo, Sen. Troad. 19: undans buxo Cytorus, Verg. G. 2, 437: undans chlamys, Plaut. Ep. 3, 3, 55: undantes habenae, waving, flowing, hanging loosely, Verg. A. 12, 471; so, undantia lora, id. ib. 5, 146: ipsa (puella) decenter undabat, undulated, App. M. 2, p. 117, 38.—
to waver; fluctuate; be agitated figuratively
Trop., to waver, fluctuate, be agitated: undans curis, Val. Fl. 5, 304: undantes spumis furialibus irae, Claud. in Ruf. 1, 76.—
to overflow; inundate; deluge active
Act. (very rare), to overflow, inundate, deluge: sanguine campos, Stat. Achill. 1, 87: sinus cruore, Claud. in Ruf. 2, 67.—P. a.: undātus, a, um, in a wavy or wave-like form: concharum genera imbricatim undata, cancellatim reticulata, Plin. 9, 33, 52, § 103.—Hence, undan-ter, adv., in a waving manner, like waves: capillus undanter fluens, App. M. 2, p. 122, 7 (al. fluenter undans): evomere talia, Mart. Cap. 2, § 138.